Ключевые слова: activism, activists, activists in london, banner, british, british flag, city, city protest, climate action, climate change, climate crisis, colourful, colourful flags, crowd, crowds, demonstration, demonstration event, environmental, environmental protest, extinction rebellion, flags, large group, london, mass protest, passionate crowd, people, political, protest, protest flags, protest march, protest movement, protest signs, protesters, public event, public gathering, rally, social activism, social movement, strand, street, suspended, uk, union jack, union jack flags, united kingdom, urban, urban activism, urban demonstration, xr,